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Write-only ioctls should have a const argument in the ioctl op.
Do this conversion for vidioc_s_freq_hw_seek.
Adding const for write-only ioctls was decided during the 2012 Media Workshop.
Signed-off-by: Hans Verkuil <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
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Write-only ioctls should have a const argument in the ioctl op.
Do this conversion for vidioc_s_jpegcomp.
Adding const for write-only ioctls was decided during the 2012 Media Workshop.
Signed-off-by: Hans Verkuil <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
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Write-only ioctls should have a const argument in the ioctl op.
Do this conversion for vidioc_s_fbuf.
Adding const for write-only ioctls was decided during the 2012 Media Workshop.
Signed-off-by: Hans Verkuil <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
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While the documentation says that VIDIOC_CROPCAP is compulsory for
all video capture and output devices, in practice VIDIOC_CROPCAP is
only implemented for devices that can do cropping and/or scaling.
Update the documentation to no longer require VIDIOC_CROPCAP if the
driver does not support cropping or scaling or non-square pixels.
Signed-off-by: Hans Verkuil <[email protected]>
Reviewed-by: Sakari Ailus <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
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It was not entirely obvious that the sequence count should also
be set for output devices. Also made it more explicit that this
sequence counter counts frames, not fields.
Signed-off-by: Hans Verkuil <[email protected]>
Reviewed-by: Sylwester Nawrocki <[email protected]>
Acked-by: Sakari Ailus <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
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The Video Standard section contains some awkward language. It also wasn't
updated when the error code for unimplemented ioctls changed from EINVAL
to ENOTTY.
[[email protected]: remove a misplaced footnote tag]
Signed-off-by: Hans Verkuil <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
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These have been replaced by new defines without the "CUSTOM_" part.
Get rid of the old ones.
Signed-off-by: Hans Verkuil <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
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The 'custom' timings are no longer just for custom timings, but also for standard
CEA/VESA timings. So rename to V4L2_IN/OUT_CAP_DV_TIMINGS.
The old define is still kept for backwards compatibility.
This decision was taken during the 2012 Media Workshop.
Signed-off-by: Hans Verkuil <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
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Currently the core code looks at tvnorms to see whether ENUMSTD
or G_PARM should be enabled. This is not a good check for drivers
that support the STD API on one input and the DV Timings API on another.
In that case tvnorms may be 0.
Instead check whether s_std is present (for ENUMSTD) or whether g_std or
current_norm is present for g_parm.
Also, in the enumstd core function return ENODATA if tvnorms is 0,
because in that case the current input does not support the STD API
and ENUMSTD should return ENODATA for that.
Signed-off-by: Hans Verkuil <[email protected]>
Reviewed-by: Sakari Ailus <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
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ENODATA should be returned if the API used for getting, changing, querying
or enumerating the current video timings is not supported by the current input
or output.
This was decided during the 2012 Media Workshop.
Signed-off-by: Hans Verkuil <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
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A number of old drivers still had the experimental tag. Time to remove it.
It concerns the following drivers:
VIDEO_TLV320AIC23B
USB_STKWEBCAM
VIDEO_CX18
VIDEO_CX18_ALSA
VIDEO_ZORAN_AVS6EYES
DVB_USB_AF9005
MEDIA_TUNER_TEA5761
VIDEO_NOON010PC30
This decision was taken during the 2012 Media Workshop.
Signed-off-by: Hans Verkuil <[email protected]>
Reviewed-by: Sylwester Nawrocki <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
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As per decision taken during the 2012 Media Workshop.
Signed-off-by: Hans Verkuil <[email protected]>
Acked-by: Sakari Ailus <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
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V4L2_BUF_TYPE_PRIVATE was used in these driver for internal purposes.
It turned out though that it wasn't used at all, so it could be removed.
I know it was used in the past, but clearly later changes made this
obsolete.
Signed-off-by: Hans Verkuil <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
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This buffer type isn't used at all, and since it is effectively undefined
what it should do it is deprecated. The define still exists, but any
internal support for such buffers is removed.
The decisions to deprecate this was taken during the 2012 Media Workshop.
Signed-off-by: Hans Verkuil <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
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Prefix bus_info with "platform:".
Signed-off-by: Hans Verkuil <[email protected]>
Acked-by: Sylwester Nawrocki <[email protected]>
Acked-by: Sakari Ailus <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
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During the 2012 Media Workshop it was decided that bus_info as returned
by VIDIOC_QUERYCAP can no longer be empty. It should be a unique identifier,
and empty strings are obviously not unique.
Signed-off-by: Hans Verkuil <[email protected]>
Reviewed-by: Sylwester Nawrocki <[email protected]>
Reviewed-by: Sakari Ailus <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
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- S/TRY_FMT should always succeed, unless an invalid type field is passed in.
- TRY_FMT should give the same result as S_FMT, all other things being equal.
- ENUMFMT may return different formats for different inputs or outputs.
This was decided during the 2012 Media Workshop.
Signed-off-by: Hans Verkuil <[email protected]>
Reviewed-by: Sylwester Nawrocki <[email protected]>
Acked-by: Laurent Pinchart <[email protected]>
Acked-by: Sakari Ailus <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
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Specify that STREAMON/OFF should return 0 if the stream is already
started/stopped.
The spec never specified what the correct behavior is. This ambiguity
was resolved during the 2012 Media Workshop.
Signed-off-by: Hans Verkuil <[email protected]>
Reviewed-by: Sylwester Nawrocki <[email protected]>
Acked-by: Laurent Pinchart <[email protected]>
Acked-by: Sakari Ailus <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
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During the 2012 Media Workshop it was decided to split off the control
definitions into their own v4l2-controls.h header, included by videodev2.h.
Because controls make up such a large part of V4L2 they made it hard
to read videodev2.h. Splitting off the control definitions makes life
easier.
Signed-off-by: Hans Verkuil <[email protected]>
Acked-by: Sakari Ailus <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
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Remove experimantal tag from the following API elements:
V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY buffer type.
V4L2_CAP_VIDEO_OUTPUT_OVERLAY capability flag.
VIDIOC_ENUM_FRAMESIZES IOCTL.
VIDIOC_ENUM_FRAMEINTERVALS IOCTL.
VIDIOC_G_ENC_INDEX IOCTL.
VIDIOC_ENCODER_CMD and VIDIOC_TRY_ENCODER_CMD IOCTLs.
VIDIOC_DECODER_CMD and VIDIOC_TRY_DECODER_CMD IOCTLs.
Signed-off-by: Sakari Ailus <[email protected]>
Signed-off-by: Hans Verkuil <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
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Signed-off-by: Mark Brown <[email protected]>
Cc: [email protected]
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Remove the printk.h include: this header is already via kernel.h,
so, there's no need to explicitly add it at ivtv-alsa-pcm.c.
Signed-off-by: Hans Verkuil <[email protected]>
Acked-by: Andy Walls <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
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Otherwise when X starts we commonly get a black screen scanning
out nothing, its wierd dpms on/off from userspace brings it back,
With this on F18, multi-seat works again with my 1920x1200 monitor
which is above the sku limit for the device I have.
Cc: [email protected]
Reviewed-by: Alex Deucher <[email protected]>
Signed-off-by: Dave Airlie <[email protected]>
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We don't allocate enough data for this struct. As soon as we start
modifying event->event on the next lines, then we're going beyond the
end of the memory we allocated.
Signed-off-by: Dan Carpenter <[email protected]>
cc: [email protected]
Signed-off-by: Dave Airlie <[email protected]>
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git://anongit.freedesktop.org/git/nouveau/linux-2.6 into drm-fixes
These just silence some printks that we are seeing that we shouldn't
* 'drm-nouveau-fixes' of git://anongit.freedesktop.org/git/nouveau/linux-2.6:
drm/nvc0/ltcg: mask off intr 0x10
drm/nouveau: silence a debug message triggered by newer userspace
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NVIDIA do that at startup too on Fermi, so perhaps the heap of 0x10
intrs we receive are normal and we can ignore them.
On Kepler NVIDIA *don't* do this, but the hardware appears to come up
with the bit masked off by default - so that's probably why :)
This should silence some interrupt spam seen on Fermi+ boards.
Backported patch from reworked nouveau kernel tree.
Signed-off-by: Ben Skeggs <[email protected]>
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Signed-off-by: Ben Skeggs <[email protected]>
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Commit v2.6.19-rc1~1272^2~41 tells us that r->cost != 0 can happen when
a running state is saved to userspace and then reinstated from there.
Make sure that private xt_limit area is initialized with correct values.
Otherwise, random matchings due to use of uninitialized memory.
Signed-off-by: Jan Engelhardt <[email protected]>
Signed-off-by: Pablo Neira Ayuso <[email protected]>
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Pull more networking fixes from David Miller:
1) Eric Dumazet discovered and fixed what turned out to be a family of
bugs. These functions were using pskb_may_pull() which might need
to reallocate the linear SKB data buffer, but the callers were not
expecting this possibility. The callers have cached pointers to the
packet header areas, and would need to reload them if we were to
continue using pskb_may_pull().
So they could end up reading garbage.
It's easier to just change these RAW4/RAW6/MIP6 routines to use
skb_header_pointer() instead of pskb_may_pull(), which won't modify
the linear SKB data area.
2) Dave Jone's syscall spammer caught a case where a non-TCP socket can
call down into the TCP keepalive code. The case basically involves
creating a raw socket with sk_protocol == IPPROTO_TCP, then calling
setsockopt(sock_fd, SO_KEEPALIVE, ...)
Fixed by Eric Dumazet.
3) Bluetooth devices do not get configured properly while being powered
on, resulting in always using legacy pairing instead of SSP. Fix
from Andrzej Kaczmarek.
4) Bluetooth cancels delayed work erroneously, put stricter checks in
place. From Andrei Emeltchenko.
5) Fix deadlock between cfg80211_mutex and reg_regdb_search_mutex in
cfg80211, from Luis R. Rodriguez.
6) Fix interrupt double release in iwlwifi, from Emmanuel Grumbach.
7) Missing module license in bcm87xx driver, from Peter Huewe.
8) Team driver can lose port changed events when adding devices to a
team, fix from Jiri Pirko.
9) Fix endless loop when trying ot unregister PPPOE device in zombie
state, from Xiaodong Xu.
10) batman-adv layer needs to set MAC address of software device
earlier, otherwise we call tt_local_add with it uninitialized.
11) Fix handling of KSZ8021 PHYs, it's matched currently by KS8051 but
that doesn't program the device properly. From Marek Vasut.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
ipv6: mip6: fix mip6_mh_filter()
ipv6: raw: fix icmpv6_filter()
net: guard tcp_set_keepalive() to tcp sockets
phy/micrel: Add missing header to micrel_phy.h
phy/micrel: Rename KS80xx to KSZ80xx
phy/micrel: Implement support for KSZ8021
batman-adv: Fix symmetry check / route flapping in multi interface setups
batman-adv: Fix change mac address of soft iface.
pppoe: drop PPPOX_ZOMBIEs in pppoe_release
team: send port changed when added
ipv4: raw: fix icmp_filter()
net/phy/bcm87xx: Add MODULE_LICENSE("GPL") to GPL driver
iwlwifi: don't double free the interrupt in failure path
cfg80211: fix possible circular lock on reg_regdb_search()
Bluetooth: Fix not removing power_off delayed work
Bluetooth: Fix freeing uninitialized delayed works
Bluetooth: mgmt: Fix enabling LE while powered off
Bluetooth: mgmt: Fix enabling SSP while powered off
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mip6_mh_filter() should not modify its input, or else its caller
would need to recompute ipv6_hdr() if skb->head is reallocated.
Use skb_header_pointer() instead of pskb_may_pull()
Signed-off-by: Eric Dumazet <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Included fixes:
- fix the behaviour of batman-adv in case of virtual interface MAC change event
- fix symmetric link check in neighbour selection
Signed-off-by: David S. Miller <[email protected]>
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icmpv6_filter() should not modify its input, or else its caller
would need to recompute ipv6_hdr() if skb->head is reallocated.
Use skb_header_pointer() instead of pskb_may_pull() and
change the prototype to make clear both sk and skb are const.
Also, if icmpv6 header cannot be found, do not deliver the packet,
as we do in IPv4.
Signed-off-by: Eric Dumazet <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Change winbond-cir's tx support to be asynchronous and not to mess with
the TX buffer. Essentially the winbond-cir counterpart to the patch
Sean Young sent for iguanair.
Signed-off-by: David Härdeman <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
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Pull SuperH fix from Paul Mundt:
"One last minute regression fix.."
* tag 'sh-for-linus' of git://github.com/pmundt/linux-sh:
sh: pfc: Fix up GPIO mux type reconfig case.
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This is a minor correctness fix for the duration calculation in
winbond-cir (the read value should be incremented by one).
Signed-off-by: David Härdeman <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
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Merge misc fixes from Andrew Morton:
"One maintainer change and three bugfixes"
* emailed patches from Andrew Morton <[email protected]>: (4 commits)
c/r: prctl: fix build error for no-MMU case
lib/flex_proportions.c: fix corruption of denominator in flexible proportions
checksyscalls: fix "here document" handling
pwm-backlight: take over maintenance
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Commit 1ad75b9e1628 ("c/r: prctl: add minimal address test to
PR_SET_MM") added some address checking to prctl_set_mm() used by
checkpoint-restore. This causes a build error for no-MMU systems:
kernel/sys.c: In function 'prctl_set_mm':
kernel/sys.c:1868:34: error: 'mmap_min_addr' undeclared (first use in this function)
The test for mmap_min_addr doesn't make a lot of sense for no-MMU code
as noted in commit 6e1415467614 ("NOMMU: Optimise away the
{dac_,}mmap_min_addr tests").
This patch defines mmap_min_addr as 0UL in the no-MMU case so that the
compiler will optimize away tests for "addr < mmap_min_addr".
Signed-off-by: Mark Salter <[email protected]>
Reviewed-by: Cyrill Gorcunov <[email protected]>
Cc: <[email protected]> [3.6.x]
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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When racing with CPU hotplug, percpu_counter_sum() can return negative
values for the number of observed events.
This confuses fprop_new_period(), which uses unsigned type and as a
result number of events is set to big *positive* number. From that
moment on, things go pear shaped and can result e.g. in division by
zero as denominator is later truncated to 32-bits.
This bug causes a divide-by-zero oops in bdi_dirty_limit() in Borislav's
3.6.0-rc6 based kernel.
Fix the issue by using a signed type in fprop_new_period(). That makes
us bail out from the function without doing anything (mistakenly)
thinking there are no events to age. That makes aging somewhat
inaccurate but getting accurate data would be rather hard.
Signed-off-by: Jan Kara <[email protected]>
Reported-by: Borislav Petkov <[email protected]>
Reported-by: Srivatsa S. Bhat <[email protected]>
Cc: Wu Fengguang <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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"echo" doesn't read from stdin, therefore the checksyscalls script didn't
warn about not implemented system calls anymore since 29dc54c6
("checksyscalls: Use arch/x86/syscalls/syscall_32.tbl as source").
Use "cat" instead of "echo" which handles this correctly.
Signed-off-by: Heiko Carstens <[email protected]>
Cc: Michal Marek <[email protected]>
Cc: H. Peter Anvin <[email protected]>
Cc: Cyrill Gorcunov <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Since the pwm-backlight driver is lacking a proper maintainer and is the
heaviest user of the PWM framework I'm taking over maintenance.
Signed-off-by: Thierry Reding <[email protected]>
Acked-by: Arun Murthy <[email protected]>
Cc: Matthew Garrett <[email protected]>
Cc: Robert Morell <[email protected]>
Cc: Dilan Lee <[email protected]>
Cc: Axel Lin <[email protected]>
Cc: Mark Brown <[email protected]>
Cc: Alexandre Courbot <[email protected]>
Acked-by: Sachin Kamat <[email protected]>
Acked-by: Linus Walleij <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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If start_streaming() fails (e.g. out of memory) the driver needs to
rewind the start procedure. This implies possibly stopping the device
and clearing the buffer queue.
Signed-off-by: Ezequiel Garcia <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
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The driver was expecting to get a valid pixelformat on s_fmt and try_fmt.
This is wrong, since the user may pass a bitmask and expect the driver
to change it, returning a valid (fourcc) pixelformat.
This problem was spotted by v4l2-compliance.
Signed-off-by: Ezequiel Garcia <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
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When an urb buffer can't be allocated, the currently allocated
buffer count must be saved so they can properly released.
Moreover, it's sufficient to call stk1160_free_isoc to have
all urb buffers released.
Signed-off-by: Ezequiel Garcia <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
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This is just a cleaning patch to produce more useful
debug messages.
Signed-off-by: Ezequiel Garcia <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
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due to structure change for video drivers, change the
description with correct path.
Signed-off-by: Lad, Prabhakar <[email protected]>
Signed-off-by: Manjunath Hadli <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
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Sandy bridge EDAC is calculating the memory size with overflow.
Basically, the size field and the integer calculation is using 32 bits.
More bits are needed, when the DIMM memories have high density.
The net result is that memories are improperly reported there, when
high-density DIMMs are used:
EDAC DEBUG: in drivers/edac/sb_edac.c, line at 591: mc#0: channel 0, dimm 0, -16384 Mb (-4194304 pages) bank: 8, rank: 2, row: 0x10000, col: 0x800
EDAC DEBUG: in drivers/edac/sb_edac.c, line at 591: mc#0: channel 1, dimm 0, -16384 Mb (-4194304 pages) bank: 8, rank: 2, row: 0x10000, col: 0x800
As the number of pages value is handled at the EDAC core as unsigned
ints, the driver shows the 16 GB memories at sysfs interface as 16760832
MB! The fix is simple: calculate the number of pages as unsigned 64-bits
integer.
After the patch, the memory size (16 GB) is properly detected:
EDAC DEBUG: in drivers/edac/sb_edac.c, line at 592: mc#0: channel 0, dimm 0, 16384 Mb (4194304 pages) bank: 8, rank: 2, row: 0x10000, col: 0x800
EDAC DEBUG: in drivers/edac/sb_edac.c, line at 592: mc#0: channel 1, dimm 0, 16384 Mb (4194304 pages) bank: 8, rank: 2, row: 0x10000, col: 0x800
Cc: [email protected]
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
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When 2R memories are found, the memory size should be multiplied
by two, otherwise, it will report half of the memory size:
+-----------------------------------------------+
| mc0 |
| branch0 | branch1 |
| channel0 | channel1 | channel0 | channel1 |
-------+-----------------------------------------------+
slot3: | 0 MB | 0 MB | 0 MB | 0 MB |
slot2: | 0 MB | 0 MB | 0 MB | 0 MB |
-------+-----------------------------------------------+
slot1: | 0 MB | 0 MB | 0 MB | 0 MB |
slot0: | 1024 MB | 1024 MB | 1024 MB | 1024 MB |
-------+-----------------------------------------------+
(the above machine have 4 x 2GB 2R memories)
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
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commit a895bf8b1e1ea4c032a8fa8a09475a2ce09fe77a incorrectly
changed the logic that fills the memory bank size. Fix it.
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
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Signed-off-by: Alex Williamson <[email protected]>
Signed-off-by: Joerg Roedel <[email protected]>
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Some drivers need to switch pin states between GPIO and pin function at
runtime, which was inadvertently broken in the pinctrl driver for GPIOs
being bound to a specific direction.
This fixes up the request path to ensure that previously configured GPIOs
don't cause us to inadvertently error out with an unsupported mux on
reconfig, which in practice is primarily aimed at trapping pull-up/down
users that have yet to be implemented under the new API.
Fixes up regressions in the TPU PWM driver, amongst others.
Reported-by: Laurent Pinchart <[email protected]>
Tested-by: Laurent Pinchart <[email protected]>
Signed-off-by: Paul Mundt <[email protected]>
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